Answer:
Equations:
<u>Mia: 10 + 10x = y</u>
<u>Julie: 100 - 5x = y</u>
Solved: <u>(6, 70)</u>
Step-by-step explanation:
Mia: 10 + 10x = y
She already has 10 (<u>10</u>) and gains 10 (<u>+10</u>) per day (<u>x</u>). Total is y gained.
Julie: 100 - 5x = y
She already has 100 (<u>100</u>) and loses 5 (<u>-5</u>) per day (<u>x</u>). Total is y gained.
Then I simply solve
10 + 10x = y
100 - 5x = y
Resulting in (6, 70)
X+7<23
x<23-7
x<16
So, all numbers from zero to 15
Those are 16 positive integers
Y=52+2x
Plug 93 in as the "x" to get the "y" or the number of total songs after 93 weeks added to her original 52.
there are 52 weeks in a year so $32,125/52 is about $617.78 so that person earns $130.78 more than the other